from chemistry to pack
Anode-free lithium batteries take “delete the anode” to its extreme: instead of shipping graphite or a lithium foil, the cell starts with bare copper on the negative side. All the lithium comes from the cathode on first charge and plates itself onto that copper. Removing the graphite host lifts both gravimetric and volumetric energy density, … Read more
Quick facts The prompt for this piece Prof Louis Piper (WMG/Warwick, Faraday Institution) posted a summary of this paper on LinkedIn, describing work from the Faraday Institution’s LEAP project led by Eleni Fiamegkou and Daniela Proprentner. His framing of the result is worth repeating directly, because it’s the thesis the underlying data set out to … Read more
A new Nature Energy paper puts a number on it I’ve written before about cell electrode pressure and how it’s applied and lost across a module’s life, and about the practical business of mapping pressure distribution across a pouch cell in operando. Both of those pieces stopped short of answering the question every pack designer … Read more
Led by Dr. Galo J. Páez Fajardo and Professor Louis F. J. Piper, the paper addresses a fundamental question in battery science: how exactly do lithium-ion battery cathodes store and release energy at the sub-nanoscale?. Páez Fajardo, G.J., Dogaru, D.E., Banerjee, H. et al. Direct evidence of metal–ligand redox processes in positive electrodes during lithium-based battery operation. Nat. … Read more
Authors: Jean E. Marshall, Alfred Madzvamuse, Akash Ratnayaka, Daniel Martin, Briséïs Mercadier, Kat Lukic, MahenderPeddi, Loubna Hdidou, Daniela Proprentner, Ieuan Ellis, Phillip Johns, Alexander Groombridge, Louis F. J. Piper Our latest publication with the Battery Materials and Cells group at WMG, University of Warwick is a capstone of an Innovate UK (IUK), Faraday Battery Challenge … Read more
Graphite remains the most widely used anode material in lithium-ion batteries, and the initial formation of the solid electrolyte interphase (or SEI) largely dictates the long-term performance of commercial cells. In this post we take a look at the work of WMG, University of Warwick and James Durrans & Sons Limited. A preprint copy of … Read more